| 1 | |
| Researcher: | Vijaya Lakshmi, K |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Ajai, Kumar |
| University: | Banaras Hindu University |
| Language: | English |
| 3 | |
| Researcher: | Rajendran, R |
| Guide: | John, P I |
| University: | University of Kerala |
| Language: | English |
| 4 | |
| Researcher: | Padmavathi, M V |
| University: | Andhra University |
| Language: | English |